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Code Issues Releases Wiki Activity

viewpng and writeconfig removed

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Former-commit-id: ee46218e71df3090336754353566e7b659b3a801
This commit is contained in:
johan 2013-11-13 23:07:16 +01:00
parent 6c33d55468
commit fe1dd23768
6 changed files with 0 additions and 522 deletions
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2
src/CMakeLists.txt
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@ -1,4 +1,2 @@
add_subdirectory(hyperiond)
add_subdirectory(hyperion-remote)
add_subdirectory(viewpng)
add_subdirectory(writeconfig)

15
src/viewpng/CMakeLists.txt
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@ -1,15 +0,0 @@
# Find the libPNG
find_package(PNG QUIET)
if(PNG_FOUND)
# Add additional includes dirs
include_directories(${PNG_INCLUDE_DIR})
add_executable(viewpng
FbWriter.h
ViewPng.cpp)
target_link_libraries(viewpng
hyperion
${PNG_LIBRARIES})
endif(PNG_FOUND)

135
src/viewpng/FbWriter.h
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#pragma once
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <fcntl.h>
#include <linux/fb.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <utils/Image.h>
#include <utils/ColorRgb.h>
///
/// FbWriter allows direct access tot the FrameBuffer. It writes and image to the framebuffer,
/// adjusting the resolution as required. When destructed the FrameBuffer is switch to original
/// configuration.
///
class FbWriter
{
public:
///
/// Constructs the FrameBuffer writer opening the FrameBuffer device and storing the current
/// configuration.
///
FbWriter()
{
initialise();
}
///
/// Destructor of the write. Switches the FrameBuffer to its origianl configuration and closes
/// the FrameBuffer
///
~FbWriter()
{
if (ioctl(fbfd, FBIOPUT_VSCREENINFO, &orig_vinfo))
{
printf("Error re-setting variable information.\n");
}
close(fbfd);
}
///
/// Initialises the write, opening the FrameBuffer
///
/// @return Zero on succes else negative
///
int initialise()
{
// Open the file for reading and writing
fbfd = open("/dev/fb0", O_RDWR);
if (!fbfd)
{
std::cerr << "Error: cannot open framebuffer device." << std::endl;
return -1;
}
printf("The framebuffer device was opened successfully.\n");
// Get fixed screen information
if (ioctl(fbfd, FBIOGET_FSCREENINFO, &finfo))
{
std::cerr << "Error reading fixed information.\n" << std::endl;
return -1;
}
// Get variable screen information
if (ioctl(fbfd, FBIOGET_VSCREENINFO, &orig_vinfo))
{
std::cerr << "Error reading variable information.\n" << std::endl;
return -1;
}
printf("Original %dx%d, %dbpp\n", orig_vinfo.xres, orig_vinfo.yres, orig_vinfo.bits_per_pixel );
return 0;
}
///
/// Writes the given RGB Image to the FrameBuffer. When required the resolution of the
/// FrameBuffer is asjusted to match the given image
///
/// @param image The RGB Image
///
void writeImage(const Image<ColorRgb>& image)
{
std::cout << "Writing image [" << image.width() << "x" << image.height() << "]" << std::endl;
// Make a copy of the original screen-info
fb_var_screeninfo vinfo = orig_vinfo;
// memcpy(&vinfo, &orig_vinfo, sizeof(fb_var_screeninfo));
// Configure the frame-buffer for the new image
vinfo.xres = image.width();
vinfo.yres = image.height();
vinfo.bits_per_pixel = 24;
if (ioctl(fbfd, FBIOPUT_VSCREENINFO, &vinfo))
{
printf("Error configuring frame-buffer");
}
ioctl(fbfd, FBIOGET_VSCREENINFO, &vinfo);
std::cout << "New set resolution: " << vinfo.xres << "x" << vinfo.yres << std::endl;
// map fb to user mem
long screensize = vinfo.yres * finfo.line_length;//vinfo.yres * vinfo.bits_per_pixel / 8;
char* fbp = (char*)mmap(0, screensize, PROT_READ | PROT_WRITE, MAP_SHARED, fbfd, 0);
if (!fbp)
{
// Failed to create memory map
std::cout << "Failed to create the memory map" << std::endl;
return;
}
std::cout << "Screensize : " << screensize << std::endl;
std::cout << "Max fb-index: " << (image.width()-1)*3 + (image.height()-1)*finfo.line_length << std::endl;
std::cout << "[" << vinfo.xres << "x" << vinfo.yres << "] == [" << image.width() << "x" << image.height() << "]" << std::endl;
for (unsigned iY=0; iY<image.height(); ++iY)
{
memcpy(fbp + iY*finfo.line_length, &(image(0, iY)), image.width()*3);
}
std::cout << "FINISHED COPYING IMAGE TO FRAMEBUFFER" << std::endl;
// cleanup
munmap(fbp, screensize);
}
/// The identifier of the FrameBuffer File-Device
int fbfd;
/// The 'Fixed' screen information
fb_fix_screeninfo finfo;
/// The original 'Variable' screen information
fb_var_screeninfo orig_vinfo;
};

156
src/viewpng/ViewPng.cpp
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@ -1,156 +0,0 @@
// STL includes
#include <iostream>
// LibPNG includes
#include <png.h>
// Utils includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
#include <utils/jsonschema/JsonFactory.h>
// Raspilight includes
#include <hyperion/Hyperion.h>
// Local includes
#include "FbWriter.h"
bool read_png(std::string file_name, Image<ColorRgb>*& rgbImage)
{
png_structp png_ptr;
png_infop info_ptr;
FILE *fp;
if ((fp = fopen(file_name.c_str(), "rb")) == NULL)
{
return false;
}
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (png_ptr == NULL)
{
fclose(fp);
return false;
}
info_ptr = png_create_info_struct(png_ptr);
if (info_ptr == NULL)
{
fclose(fp);
png_destroy_read_struct(&png_ptr, NULL, NULL);
return false;
}
if (setjmp(png_jmpbuf(png_ptr)))
{
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
fclose(fp);
return false;
}
png_init_io(png_ptr, fp);
png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_SWAP_ALPHA | PNG_TRANSFORM_EXPAND, NULL);
png_uint_32 width = png_get_image_width(png_ptr, info_ptr);
png_uint_32 height = png_get_image_height(png_ptr, info_ptr);
png_uint_32 bitdepth = png_get_bit_depth(png_ptr, info_ptr);
png_uint_32 channels = png_get_channels(png_ptr, info_ptr);
png_uint_32 color_type = png_get_color_type(png_ptr, info_ptr);
std::cout << "BitDepth" << std::endl;
std::cout << bitdepth << std::endl;
std::cout << "Channels" << std::endl;
std::cout << channels << std::endl;
std::cout << "ColorType" << std::endl;
std::cout << color_type << std::endl;
png_bytepp row_pointers;
row_pointers = png_get_rows(png_ptr, info_ptr);
rgbImage = new Image<ColorRgb>(width, height);
for (unsigned iRow=0; iRow<height; ++iRow)
{
if (color_type == PNG_COLOR_TYPE_RGB)
{
ColorRgb* rowPtr = reinterpret_cast<ColorRgb*>(row_pointers[iRow]);
for (unsigned iCol=0; iCol<width; ++iCol)
{
(*rgbImage)(iCol, iRow) = rowPtr[iCol];
}
}
else if (color_type == PNG_COLOR_TYPE_RGBA)
{
unsigned* rowPtr = reinterpret_cast<unsigned*>(row_pointers[iRow]);
for (unsigned iCol=0; iCol<width; ++iCol)
{
const unsigned argbValue = rowPtr[iCol];
(*rgbImage)(iCol, iRow) = ColorRgb{uint8_t((argbValue >> 16) & 0xFF), uint8_t((argbValue >> 8) & 0xFF), uint8_t((argbValue) & 0xFF)};
}
}
else
{
// Unknown/Unimplemented color-format
return false;
}
}
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
fclose(fp);
return true;
}
int main(int argc, char** argv)
{
if (argc < 2)
{
// Missing required argument
std::cout << "Missing PNG-argumet. Usage: 'ViewPng [png-file]" << std::endl;
return 0;
}
const std::string pngFilename = argv[1];
Image<ColorRgb>* image = nullptr;
if (!read_png(pngFilename, image) || image == nullptr)
{
std::cout << "Failed to load image" << std::endl;
return -1;
}
const char* homeDir = getenv("RASPILIGHT_HOME");
if (!homeDir)
{
homeDir = "/home/pi";
}
std::cout << "RASPILIGHT HOME DIR: " << homeDir << std::endl;
const std::string schemaFile = std::string(homeDir) + "/hyperion.schema.json";
const std::string configFile = std::string(homeDir) + "/hyperion.config.json";
Json::Value raspiConfig;
if (JsonFactory::load(schemaFile, configFile, raspiConfig) < 0)
{
std::cerr << "UNABLE TO LOAD CONFIGURATION" << std::endl;
return -1;
}
std::cout << "Loaded configuration: " << raspiConfig << std::endl;
FbWriter fbWriter;
Hyperion raspiLight(raspiConfig);
// raspiLight.setInputSize(image->width(), image->height());
fbWriter.writeImage(*image);
// raspiLight(*image);
sleep(5);
delete image;
}

2
src/writeconfig/CMakeLists.txt
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add_executable(WriteConfig
WriteConfig.cpp)

212
src/writeconfig/WriteConfig.cpp
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@ -1,212 +0,0 @@
// STL includes
#include <string>
#include <fstream>
#include <vector>
#include <algorithm>
#include <iostream>
using namespace std;
ofstream& indent(ofstream& ofs, unsigned indent)
{
for (unsigned i=0; i<indent; ++i)
{
ofs << '\t';
}
return ofs;
}
struct LedFrame
{
unsigned topLedCnt;
unsigned rightLedCnt;
unsigned bottomLedCnt;
unsigned leftLedCnt;
unsigned topLeftOffset;
unsigned borderWidth;
unsigned borderHeight;
LedFrame() :
topLedCnt(17),
rightLedCnt(8),
bottomLedCnt(17),
leftLedCnt(8),
topLeftOffset(17),
borderWidth(10),
borderHeight(10)
{
// empty
}
unsigned totalLedCnt() const
{
return topLeftOffset + rightLedCnt + bottomLedCnt + leftLedCnt;
}
};
struct Led
{
unsigned index;
double minX;
double maxX;
double minY;
double maxY;
};
void determineBoundaries(const LedFrame& ledFrame, const unsigned iLed, double& minX, double& maxX, double& minY, double& maxY)
{
if (iLed < ledFrame.topLedCnt)
{
// TOP of screen
minX = iLed * 100.0/ledFrame.topLedCnt;
maxX = (iLed+1) * 100.0/ledFrame.topLedCnt;
minY = 100.0 - ledFrame.borderHeight;
maxY = 100.0;
}
else if (iLed < (ledFrame.topLedCnt+ledFrame.rightLedCnt))
{
// RIGHT of screen
minX = 100.0 - ledFrame.borderWidth;
maxX = 100.0;
minY = 100.0 - (iLed-15) * 100.0/(ledFrame.rightLedCnt+2);
maxY = 100.0 - (iLed-16) * 100.0/(ledFrame.rightLedCnt+2);
}
else if (iLed < (ledFrame.topLedCnt+ledFrame.rightLedCnt+ledFrame.bottomLedCnt))
{
// BOTTOM of screen
minX = 100.0 - (iLed-24) * 100.0/ledFrame.bottomLedCnt;
maxX = 100.0 - (iLed-25) * 100.0/ledFrame.bottomLedCnt;
minY = 0.0;
maxY = ledFrame.borderHeight;
}
else if (iLed < (ledFrame.topLedCnt+ledFrame.rightLedCnt+ledFrame.bottomLedCnt+ledFrame.leftLedCnt))
{
// LEFT of screen
minX = 0.0;
maxX = ledFrame.borderWidth;
minY = (iLed-41) * 100.0/(ledFrame.leftLedCnt+2);
maxY = (iLed-40) * 100.0/(ledFrame.leftLedCnt+2);
}
else
{
std::cerr << "Requested led index(" << iLed << ") out of bound" << endl;
}
}
std::vector<Led> createLedMapping(const LedFrame ledFrame)
{
std::vector<Led> leds;
for (unsigned iLed=0; iLed<ledFrame.totalLedCnt(); ++iLed)
{
Led led;
led.index = (iLed + ledFrame.topLeftOffset)%ledFrame.totalLedCnt();
determineBoundaries(ledFrame, iLed, led.minX, led.maxX, led.minY, led.maxY);
leds.push_back(led);
}
std::sort(leds.begin(), leds.end(), [](const Led& lhs, const Led& rhs){ return lhs.index < rhs.index; });
return leds;
}
int main(int argc, char** argv)
{
const std::string filename = "hyperion.config.json";
LedFrame myFrame;
std::vector<Led> leds = createLedMapping(myFrame);
ofstream configOfs(filename.c_str());
configOfs << "// Automatically generated configuration file for 'Hyperion'" << endl;
configOfs << "// Generation script: " << argv[0] << endl;
configOfs << endl;
configOfs << "{" << endl;
// Write the device section
indent(configOfs, 1) << R"("device" : )" << endl;
indent(configOfs, 1) << "{" << endl;
indent(configOfs, 2) << R"("name" : "MyPi",)" << endl;
indent(configOfs, 2) << R"("type" : "ws2801",)" << endl;
indent(configOfs, 2) << R"("output" : "/dev/spidev0.0",)" << endl;
indent(configOfs, 2) << R"("interval" : 20000,)" << endl;
indent(configOfs, 2) << R"("rate" : 48000)" << endl;
indent(configOfs, 1) << "}," << endl;
// Write the color-correction section
indent(configOfs, 1) << R"("color" : )" << endl;
indent(configOfs, 1) << "{" << endl;
indent(configOfs, 2) << R"("red" : )" << endl;
indent(configOfs, 2) << "{" << endl;
indent(configOfs, 3) << R"("gamma" : 1.0,)" << endl;
indent(configOfs, 3) << R"("adjust" : 1.0,)" << endl;
indent(configOfs, 3) << R"("blacklevel" : 0.0)" << endl;
indent(configOfs, 2) << "}," << endl;
indent(configOfs, 2) << R"("green" : )" << endl;
indent(configOfs, 2) << "{" << endl;
indent(configOfs, 3) << R"("gamma" : 1.0,)" << endl;
indent(configOfs, 3) << R"("adjust" : 1.0,)" << endl;
indent(configOfs, 3) << R"("blacklevel" : 0.0)" << endl;
indent(configOfs, 2) << "}," << endl;
indent(configOfs, 2) << R"("blue" : )" << endl;
indent(configOfs, 2) << "{" << endl;
indent(configOfs, 3) << R"("gamma" : 1.0,)" << endl;
indent(configOfs, 3) << R"("adjust" : 1.0,)" << endl;
indent(configOfs, 3) << R"("blacklevel" : 0.0)" << endl;
indent(configOfs, 2) << "}" << endl;
indent(configOfs, 1) << "}," << endl;
// Write the leds section
indent(configOfs, 1) << R"("leds" : )" << endl;
indent(configOfs, 1) << "[" << endl;
for (const Led& led : leds)
{
// Add comments indicating the corners of the configuration
if (led.minX == 0.0)
{
if (led.minY == 0.0)
{
indent(configOfs, 2) << "// TOP-LEFT Corner" << endl;
}
else if (led.maxY == 100.0)
{
indent(configOfs, 2) << "// BOTTOM-LEFT Corner" << endl;
}
}
else if (led.maxX == 100.0)
{
if (led.minY == 0.0)
{
indent(configOfs, 2) << "// TOP-RIGHT Corner" << endl;
}
else if (led.maxY == 100.0)
{
indent(configOfs, 2) << "// BOTTOM-RIGHT Corner" << endl;
}
}
// Write the configuration of the led
indent(configOfs, 2) << "{" << endl;
indent(configOfs, 3) << R"("index" : )" << led.index << "," << endl;
indent(configOfs, 3) << R"("hscan" : { "minimum" : )" << led.minX << R"(, "maximum" : )" << led.maxX << R"( },)" << endl;
indent(configOfs, 3) << R"("vscan" : { "minimum" : )" << led.minY << R"(, "maximum" : )" << led.maxY << R"( })" << endl;
indent(configOfs, 2) << "}";
if (led.index != leds.back().index)
{
configOfs << ",";
}
configOfs << endl;
}
indent(configOfs, 1) << "]" << endl;
configOfs << "}" << endl;
}